Quick answers
- Is CVE-2026-5530 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-5530 being exploited in the wild.
- How severe is CVE-2026-5530?
- Medium severity, with a CVSS score of 6.3, published 5 April 2026.
- Which products and versions are affected?
- Ollama up to 0.18.1.
- Is there a fix for CVE-2026-5530?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-5530 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-5530?
- Check whether you run Ollama at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A Server-Side Request Forgery (SSRF) vulnerability exists in Ollama versions up to 0.18.1 within the Model Pull API. The flaw is located in the 'server/download.go' file, where improper validation of user-supplied input allows for request manipulation. A remote attacker with low privileges can exploit this to force the server to initiate network requests to arbitrary destinations. This can be used to scan internal networks, access local services, or bypass network-based access controls. As of the disclosure date, the vendor has not responded to the report.
Affected products
- Ollama Ollama up to 0.18.1
Timeline
- 2026-04-05: disclosed: Initial public disclosure via VulDB/NVD